A5060272936- Organic Electronics and Photovoltaics
- Perovskite Materials and Applications
- Conducting polymers and applications
- Advanced Photocatalysis Techniques
- Electrochemical Analysis and Applications
- Quantum Dots Synthesis And Properties
- Advanced battery technologies research
- Electrocatalysts for Energy Conversion
- Environmental remediation with nanomaterials
- Adsorption and biosorption for pollutant removal
- Nanomaterials for catalytic reactions
- Astronomy and Astrophysical Research
- Electrochemical sensors and biosensors
- Organic Light-Emitting Diodes Research
- Advanced Drug Delivery Systems
- Plant Virus Research Studies
- Animal Virus Infections Studies
- Graphene and Nanomaterials Applications
- Viral gastroenteritis research and epidemiology
- Supercapacitor Materials and Fabrication
- Nanocluster Synthesis and Applications
- Advanced Memory and Neural Computing
- Chalcogenide Semiconductor Thin Films
- Iron oxide chemistry and applications
- Advanced Nanomaterials in Catalysis
Yale University
2024
University of California, Santa Barbara
2017-2023
University of Copenhagen
2017-2022
Wen's Food Group (China)
2019-2021
Santa Barbara City College
2017-2020
South China Agricultural University
2005-2020
Mitsubishi Chemical (Germany)
2020
University of California System
2017-2018
Guangdong Academy of Sciences
2017
Institute of Microbiology
2017
Abstract Sensitive detection of near‐infrared (NIR) light enables many important applications in both research and industry. Current organic photodetectors suffer from low NIR sensitivity typically due to early absorption cutoff, responsivity, and/or large dark/noise current under bias. Herein, based on a novel ultranarrow‐bandgap nonfullerene acceptor, CO1‐4Cl, are presented, showcasing remarkable responsivity over 0.5 A W −1 the spectral region (920–960 nm), which is highest among...
Abstract Herein, a ternary nanocomposite with TiO 2 nanoparticles anchored on reduced graphene oxide (rGO)-encapsulated Fe 3 O 4 spheres (Fe @rGO@TiO ) is presented as high efficient heterogeneous catalyst for photo-Fenton degradation of recalcitrant pollutants under neutral pH. was synthesized by depositing the surface wrapped (GO) which obtained an electrostatic layer-by-layer method. This as-prepared reflected good ferromagnetism and superior stability makes it convenient to be separated...
Narrow bandgap n-type molecular semiconductors are relevant as key materials components for the fabrication near-infrared organic solar cells (OSCs) and photodetectors (OPDs). We thus designed nearly isostructural nonfullerene electron acceptors, except choice of solubilizing units, which absorb from 600 to 1100 nm. Specific molecules include CTIC-4F, CO1-4F, COTIC-4F, whose optical bandgaps 1.3, 1.2, 1.1 eV, respectively. Modulation intramolecular charge transfer characteristics was...
Non-noble metal copper (Cu) nanoparticles (NPs) with controlled size and surface coverage are decorated on silicon nanowire arrays (SiNWAs) by a simple galvanic displacement reaction. Using the combined efforts of all these approaches, SiNWAs-supported Cu NPs (SiNWAs–Cu) exhibit excellent stable activity for catalytic reduction 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) sodium borohydride (NaBH4) in an aqueous solution, which can be recycled five successive cycles reaction conversion...
The NiCo<sub>2</sub>O<sub>4</sub> nanocage with a hollow cavity, large roughness and high porosity exhibits an excellent stable activity for the oxygen evolution reaction (OER) catalysis.
Perovskite quantum dots with excellent optical properties and robust durability stand as an appealing desirable candidate for fluorescence resonance energy transfer (FRET) based detection, a powerful technique featuring accuracy convenience. In this work, monolithic superhydrophobic polystyrene fiber membrane CsPbBr3 perovskite encapsulated within (CPBQDs/PS FM) was prepared via one-step electrospinning. Coupling CPBQDs PS matrix, CPBQDs/PS FM composite exhibits high yields (∼91%), narrow...
Convenient determination of glucose in a sensitive, reliable and cost-effective way has aroused sustained research passion, bringing along assiduous investigation high-performance electroactive nanomaterials to build enzymeless sensors. In addition the intrinsic electrocatalytic capability sensing materials, electrode architecture at microscale is also crucial for fully enhancing performance. this work, free-standing porous CuO nanowire (NW) was taken as model material illustrate point,...
A finely dispersed CuO nanoparticle electrocatalyst on a silicon nanowire (SiNW) was achieved via designed, precursor-mediated strategy by combining metal-assisted chemical etching, electroless deposition, and thermal oxidation. The assembled nanowires (CuO-SiNWs) showed competent sensitivity of 22.27 μA/mM, wider linear range from 0.01 to 13.18 mM, comparable detection limit 1.6 μM (3S/N) for nonenzymatic H2O2 detection. archetype sensor also demonstrated eligible selectivity against common...
The design of earth-abundant, active and stable water splitting bifunctional catalysts that operate in the same media is crucial for large-scale electrolysis. CoP nanoparticles anchored on N,P-dual-doped mesoporous graphene-like carbon (CoP@NPMG) acts as an outstanding electrocatalyst both hydrogen evolution reaction oxygen over a wide pH range. synthesis method CoP@NPMG template-free simple, all precursors are easily obtained; these factors contribute to feasibility practical fabrication....
Multimetallic Ni–Mo/Cu nanowires free-standing electrode (NM-CNW) was used as an excellent bifunctional electrocatalyst for full water splitting.
Continuously enhanced photoresponsivity and suppressed dark/noise current combinatorially lead to the recent development of high-detectivity organic photodetectors with broadband sensing competence. Despite achievements, reliable photosensing enabled by (OPDs) still faces challenges. Herein, we call for heed over a universal phenomenon detrimental sensitivity dark illumination history in high-performance inverted OPDs. The phenomenon, unfavorable attainment high consistent figures-of-merit,...
Pure nanometals have poor adsorption capacity due to their agglomeration in aqueous solution. In this study, biochar (Bc) prepared by the pyrolysis of rosin and coated on bentonite (Bt) was designed support disperse nanoscale α-Fe2O3 (Bt/Bc/α-Fe2O3). The generation nanoparticles surface Bt were accomplished a one-step heating route. Fourier transform infrared spectroscopy (FTIR) X-ray diffraction (XRD) analysis confirmed into production composite. Besides, scanning electron microscopy (SEM)...
Electrospun PMMA fiber membrane encapsulated with CsPbBr<sub>3</sub> exhibits excellent FRET detection performance on trypsin, Cu<sup>2+</sup> and pH.
Abstract PCPDTBT‐SO 3 K (CPE‐K), a conjugated polyelectrolyte, is presented as mixed conductor material that can be used to fabricate high transconductance accumulation mode organic electrochemical transistors (OECTs). OECTs are utilized in wide range of applications such analyte detection, neural interfacing, impedance sensing, and neuromorphic computing. The use interdigitated contacts enable relatively small device area comparison standard demonstrated. Such characteristics highly desired...
Organic photodetectors (OPDs) capable of detecting visible to near-infrared light provide a ubiquitous platform for emerging flexible and wearable electronics. In the process implementing OPDs into Si-based manufacturing process, organic semiconductors undergo ≥ 200 °C thermal stress, leading deterioration photosensing capability. Here, we combine multiscale characterization device physics unravel impact stress on optoelectronics characteristics PTB7-Th:non-fullerene acceptor blends (NFAs:...
Multifunctional Fe<sub>3</sub>O<sub>4</sub>@TiO<sub>2</sub>@Au core–shell composites exhibited excellent catalytic activity for the reduction of 4-NP in presence NaBH<sub>4</sub> under visible light illumination due to synergy noble metal-catalysis and photocatalysis.
This communication reports fully electrochemical nanoengineering toward three-dimensionally grown thorn-like Cu nanowire arrays (CNWAs) as a highly efficient and durable electrocatalyst for hydrazine oxidation. Characterized by substantial negative shifting of the onset potential an enlarged catalytic current density, CNWAs afforded greatly enhanced oxidation activity, even transcending that Pt/C catalyst at higher reaction rate. The parameters engineering metallization methods were found to...
Tetracyanoquinodimethane leads to trap-enhanced photoconductive gain and highly efficient broadband sensing for bulk heterojunction organic photodetectors.
The environmental impact of solution processed organic solar cells (OSCs) can be mitigated by introducing so‐called green solvents during the fabrication processes. However, effects such on molecular‐level structures and optoelectronic properties lack in‐depth characterization. Here, insights into structure–processing–property correlation a PPDT2FBT:PC 61 BM bulk‐heterojunction (BHJ) system from solvent, ortho ‐xylene ( o ‐XY), is investigated in comparison with same blend traditional...
Solution-processed organic photodetectors with broadband activity have been demonstrated an environmentally benign solvent, ortho-xylene (o-xylene), as the processing solvent. The employ a wide band gap polymer donor PBDB-T and narrow small-molecule non-fullerene acceptor CO1-4F, both dissolvable in o-xylene at controlled temperature. o-xylene-processed devices shown external quantum efficiency of up to 70%, surpassing counterpart processed chlorobenzene. With well-suppressed dark current,...
Nanoengineered copper foam with 3D free-standing CuO nanowires is used for enhanced pseudocapacitance energy storage and electroanalysis of H<sub>2</sub>O<sub>2</sub>.